When magma inserts itself as a thin layer between the strata of existing rocks without disturbing these older layers to any great extent,it is termed a _____________.

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A thin layer of magma that intrudes between existing strata of rocks without causing any major disturbance is called a sill. A dike is a vertical or near-vertical intrusion of magma that cuts across existing rock layers. A stock is a small intrusive body with a surface exposure of less than 100 square kilometers. A pluton is a large intrusive body with a surface exposure of more than 100 square kilometers. A batholith is a group of plutons that covers an area of more than 100 square kilometers.

When Magma Inserts Itself as a Thin Layer Between the Strata